Mercedes Benz Cylinder 4 Misfire, Don't miss this opportunity to win a reliable vehicle at a great price. 0 liters, making it the most powerful four-cylinder engine you can buy in 2026. Unless you have an OBD2 scanner that’s sophisticated enough to tell you what’s behind the cylinder 4 misfire, you’ll have to do a step-by-step progression P0304 Code: Cylinder 4 Misfire Detected The P0304 trouble code means the engine computer detected a misfire in cylinder 4. Nov 29, 2024 · A misfire in cylinder 4 can lead to poor engine performance and increased emissions, making it essential to address the issue promptly. The light will remain on until it is deleted or until the problem is addressed. Later I noticed: LTFT around +25% May 20, 2025 · the issue causing the 'check engine light' in a Mercedes-Benz GLS 450? The average cost to diagnose and repair the issue causing the 'check engine light' in a Mercedes-Benz GLS 450 varies widely, but diagnostic costs at a dealership typically range from $329 to $649, with repair costs potentially running into thousands of 2 days ago · The complaint, according to Mercedes-Benz's TSB, was 'CEL illumination, engine misfire, stalling, rough running, low coolant indicator, coolant in engine oil or combustion chamber'. Learn more! Capital Auto Auction is your chance to bid on a Used 2007 MERCEDES-BENZ E CLASS in our online car auction. I sometimes can clear the code. But what exactly does this code mean? In this guide, we’ll delve into everything you need to know about the P0304 – Cylinder 4 Misfire: its causes, symptoms, diagnosis process, and effective solutions. Dec 29, 2025 · Hi all. Mar 24, 2024 · Debunking Myths about Mercedes P0304 Code: Cylinder 4 Misfire Detection When it comes to diagnosing engine problems in a Mercedes-Benz, the P0304 trouble code – indicating a cylinder 4 misfire – can be a source of confusion and misinformation. Cylinder-specific misfires are commonly caused by ignition issues (spark plug/coil), fuel delivery problems (injector), intake leaks affecting that cylinder, or mechanical issues like low compression. It doesn’t mean that it’s failed, only that a misfire was detected. The Mercedes-Benz OM 352 is a 5. A Kia performance fastback sold in the same general neighborhood as a Mercedes entry-luxury model during the same era. As with the engine idling normal, I can tap the top rear sound cover and it goes into misfire failure mode. 2005 Mercedes SL600 R230 AMG trim package car. I believe it to be an electrical intermittent. from 2018–2023. Not identical, but close enough to kill the dumb idea that the Stinger was some invisible footnote nobody cared about. I was driving and saw check engine light, vehicle loss power a little and rough idle. 1 day ago · Hello, I have a 2019 Mercedes C180 W205 1. Scanned the vehicle and saw 2 dtc codes: P2050 - misfiring, damages TWC (see currently valid STIP)(P0300) And P2052 - misfiring of cylinder 4, damages TWC (see currently valid A P0304 code in a Mercedes Benz is an indicator that cylinder 4 has misfired. Any thoughts where to look May 16, 2026 · The Mercedes-AMG M139 produces 469 hp from just 2. Oil change needed Cylinder 4 Misfire Motor y transmisión están en buenas condiciones y maneja muy suave. The issue started after a 400 km trip where the car entered limp mode with a cylinder 1 misfire. But lately less so. Jun 14, 2020 · Repair Information for P0304 Mercedes-Benz code. . 6 and I've been fighting high fuel trims for over a month. 2700 OBO Engine/transmission are in good condition and drives smoothly. Mar 1, 2023 · Good day to you all. Read that again. Spark plugs were replaced and the misfire never returned. Shop OEM and premium aftermarket European auto parts at eEuroparts with fitment tools and trusted brands for BMW, Audi, Volvo, Mercedes Benz and more. Capital Auto Auction is your chance to bid on a Used 2007 MERCEDES-BENZ E CLASS in our online car auction. Common causes include Faulty ignition coil or spark plug in cylinder 4, Clogged fuel injector affecting cylinder 4, Vacuum leak in the intake manifold near cylinder 4. My V12 goes into an intermittent failure mode that shows misfire on near every cylinder. Learn more! 6 days ago · The Mercedes-AMG M139 produces 469 hp from just 2. S. 2 Big problems. Aug 30, 2024 · Quick Answer The P0304 OBD-II trouble code for Mercedes-Benz specifically indicates that a misfire has been detected in cylinder 4 of the engine. Solo necesita For context, the Mercedes-Benz CLA-Class sold about 56,591 units in the U. 7 litre inline-6 cylinder 4-stroke Diesel engine, made by Daimler-Benz. Learn what Cylinder 4 Misfire Detected means, location and how to repair.
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